Home / 215,094,221,703.72-322,636,901,961.48-71,683,664,517.12

Finding the Fourth Proportional to 215,094,221,703.72, 322,636,901,961.48 and 71,683,664,517.12

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Solution

The fourth proportional to 215,094,221,703.72, 322,636,901,961.48 and 71,683,664,517.12 is: 107,524,020,207.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,094,221,703.72 : 322,636,901,961.48 = 71,683,664,517.12 : x
  2. Step 2: Convert to fraction form
    215,094,221,703.72/322,636,901,961.48 = 71,683,664,517.12/x
  3. Step 3: Cross multiply
    215,094,221,703.72x = 322,636,901,961.48 × 71,683,664,517.12
  4. Step 4: Simplify right side
    215,094,221,703.72x = 23,127,795,441,049,664,487,424
  5. Step 5: Solve for x
    x = 23,127,795,441,049,664,487,424/215,094,221,703.72
  6. Step 6: Final answer
    x = 107,524,020,207.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.